Oracle passwords in 11g

In 11g Oracle supports password to be case sensitive. But the password can be case insensitive depending on value of “PASSWORD_VERSIONS” and “sec_case_sensitive_logon”. In 11g dba_users view has a new column called “PASSWORD_VERSIONS”, it can have 3 possible values “10G”, “10G 11G”, “11G”. Below shows what they mean along with parameter “sec_case_sensitive_logon”. Scenario when the…

ORA-28221: REPLACE not specified

When a user name has a profile that has a password verify function set and the user tries to change the password using “ALTER USER” without the REPLACE clause, and also the user doesn’t have ALTER USER privilege Oracle will generate the “ORA-28221: REPLACE not specified” error message. So the user needs to include the…